EP2505720B1 - Embankment structure and use of a closed pipeline in an embankment structure or earth body - Google Patents
Embankment structure and use of a closed pipeline in an embankment structure or earth body Download PDFInfo
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- EP2505720B1 EP2505720B1 EP20120160478 EP12160478A EP2505720B1 EP 2505720 B1 EP2505720 B1 EP 2505720B1 EP 20120160478 EP20120160478 EP 20120160478 EP 12160478 A EP12160478 A EP 12160478A EP 2505720 B1 EP2505720 B1 EP 2505720B1
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- Prior art keywords
- pipeline
- embankment structure
- earth
- body according
- earth body
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Definitions
- the invention relates to a slope structure or earth body according to the preamble of claim 1.
- the invention also relates to a use of a closed pipe according to claim 11.
- embankment structures which comprise one or more substantially horizontally stacked Erdstofflagen and interposed reinforcing elements, which are formed as geosynthetic.
- EP 1 655 566 A2 is a flexible multilayer composite material is known, which consists of at least one flexible carrier layer on which a tube or hose system of flexible tubes or hoses is attached.
- Out DE 10 2008 062 820 A1 is a slope structure with layers of earth known, each having an air-side closure element, which are connected to the ground directed back anchors.
- German patent application 26 26 650 is a method known for the production of reinforced earth structures, in which thin layers of reinforcing elements are stacked.
- the invention has for its object to provide an improved embankment structure and an advantageous use of a closed pipe.
- a reinforcement arrangement for an embankment structure according to the invention is used, for example, in embankment structures.
- a closed pipeline is laid on a reinforcing element of geosynthetic material and / or connected thereto.
- a closed pipeline is in this case a pipeline which is fluid-tight at least between coupling elements at the beginning and at the end of the pipeline.
- the pipeline is so tensile that it can be used not only as part of a geothermal plant, but also as a reinforcement.
- a slope structure comprises a plurality of substantially horizontally stacked layers of soil, with between these layers Erdstofflagen reinforcing elements are arranged, which serve to improve the stability and durability of the embankment structure.
- Erdstofflagen layers of soil or building material are referred to, which can be introduced in layers and preferably compacted.
- the reinforcing elements can each be arranged between all respectively adjacent or at least between some of the adjacent Erdstofflagen.
- a closed pipeline that is, a fluid which can be flowed through by a fluid arranged.
- pipelines are to be understood as meaning, in particular, substantially horizontally arranged elements of a geothermal plant.
- the pipelines are preferably laid between some of the adjacent layers of soil or in each case in a layer of soil.
- the pipelines are not only usable as an element of a geothermal plant, but also designed tensile strength.
- the pipes assume two functions according to the invention, namely on the one hand the function of a heat exchanger in a geothermal plant and on the other hand, the function of a reinforcement.
- the latter function serves to improve the statics, so that the stability and durability of the embankment structure are improved.
- the pipeline serves the former function to guide a fluid which serves as a heat transfer medium and for the utilization of temperature differences between the interior of the embankment structure and the area outside of either the embankment heat extraction, which is otherwise used or initiates heat in the embankment structure to the fluid to cool, so that the same itself is useful as a cooling medium for example for a building or a technical facility.
- the pipeline according to the invention is tensile strength such that it can be used as a horizontal reinforcement.
- the pipeline is sufficiently resistant to tensile stress, for example, if it is made of plastic, in particular of geosynthetics.
- connecting points of individual pipe sections are designed so that they are resistant to tensile stress, such that each joint has at least the same tensile strength as a pipe section itself.
- joints of pipe sections are arranged at locations where, according to a static calculation, appreciable tensile forces do not occur.
- the embankment structure according to the invention provides that a pipeline is so meandering within a Erdstofflage, especially also disposed directly in the lower region on a corresponding reinforcement element, that a number of first, substantially straight first horizontal pipe sections substantially perpendicular to the air side edge of this layer of soil , Wherein each two adjacent first pipe sections are each connected straight course in each case by means of a U-shaped second pipe section. Under a substantially rectangular course should be understood less than 20 ° deviation.
- first pipe sections substantially in the direction of a main stress direction of the planar reinforcing elements in combination with their tensile strength training, high tensile forces can be absorbed by the first pipe sections, whereby particularly effective stability and durability and thus the statics of the embankment structure are improved.
- the reinforcing element is preferably a geosynthetic material, in particular a polymeric geosynthetic material. It is particularly preferably designed as a woven fabric and / or as a grid and / or as a nonwoven and thereby can be laid in different burial structures, so that tensile forces can be anchored in a manner known per se. It is particularly advantageous to arrange the pipeline in the direction of tensile force and / or to connect with the sheet-like geosynthetic, since then the pipeline Particularly effective as a reinforcement acts, so that the sheet-like geosynthetic material can be smaller dimensioned as a reinforcing element in its main direction of stress than in the prior art.
- the pipeline is formed from plastic. It is possible that the pipeline consists of the same plastic as the reinforcing element, so that the pipeline and reinforcing element have the same deformation properties under the effect of the tensile force to be anchored. As a result, this reinforcement arrangement is particularly suitable for the construction of earthworks, which require a particularly strong reinforcement.
- the invention improves the stability and durability of the embankment structure.
- An embodiment of the invention provides that the pipeline has a coupling element with which it can be connected to a feed line or a return line of a geothermal system.
- the pipe is connected by means of the coupling element with another pipe or another coupling element of this further pipeline, so that in a simple way both a geothermal plant built as well as an earthworks can be reinforced.
- a further embodiment of the embankment structure according to the invention provides that first and second pipe sections arranged within a layer of soil are formed in one piece, in particular within one layer, particularly preferably over several layers. Integral means, in particular, that the pipe sections have no coupling or other connection points, neither between a first pipe section and a second pipe section nor within the first or second pipe section. Coupling points are therefore preferably arranged at the earth-side end or edge of the reinforcing element. As a result, in particular, the areas of those Pipe sections coupling-free, in which particularly high tensile forces are expected. In the event that first and second pipe sections are integrally formed over several layers, pipe sections of superimposed layers are formed integrally with their vertical connecting portions.
- a pipe is laid on a reinforcement element and particularly preferably connected thereto.
- a mesh-like reinforcing element such as geosynthetics
- first pipe sections can be particularly easily aligned with the respective grid and laid straight.
- a reinforcing element and a pipe are structurally particularly good in common when they are connected.
- polymeric geosynthetic material for the construction of an embankment structure according to the invention, in particular polymeric geosynthetic material is suitable, which is rot-proof and therefore particularly durable.
- Such reinforcing elements as a fabric and / or as a grid and / or as a nonwoven are laid in a conventional manner, wherein in each case a plurality of different or different layers in each case different reinforcing elements can be laid.
- a pipe made of plastic whereby this is particularly easy to install and connectable to the other elements of the geothermal plant.
- the pipeline preferably has at least one substantially vertical supply line and at least one substantially vertical return line
- a geothermal plant can be produced in a simple manner.
- the pipelines of all layers are connected in series.
- the pipelines of a respective layer are flowed through independently of one another by the fluid, so that the pipeline in each case represents one layer a separately operable element of the geothermal plant.
- the Pipelines all layers designed fluidically parallel. It is possible to use several of these alternative embodiments in a slope structure.
- Such reinforced earth can be dams, especially those on less viable ground, roads, reinforced foundation bodies, support structures, landfill buildings, reinforced earth on point or linear support members, coated with geosynthetics columns or bridging of earthbursts.
- a closed pipe is preferably used both as an element of a geothermal plant and as a horizontal reinforcement.
- FIG. 1 shows a slope structure, which is formed of five horizontally stacked Erdstofflagen 1, between which four layers of reinforcing elements 2 are arranged, which are formed of a mat of geosynthetic. Above each layer of reinforcing elements 2 and above a subsoil under the embankment structure each a closed pipe 3 is laid.
- the pipelines 3 are elements of a geothermal plant, which is represented by a geothermal probe 7.
- a laid above a reinforcing element 2 pipe 3 is connected in a manner not shown with the corresponding reinforcement element 2. All the pipes 3 are each connected to one end with a vertical flow line 4 and each with a second end to a vertical return line 5.
- the pipes 3 are made of plastic and are tensile strength so that they are effective as a horizontal reinforcement. From an air side 6 of the embankment, to which the reinforcing elements 2 are anchored in the usual way, the pipes 3 are arranged at a distance, wherein they loop in this area as in FIG. 2 are shown formed. According to this embodiment, the pipes 3 are each a layer flows through independently of a fluid, so that the pipe 3 each represents a position a separately operable element of this geothermal system.
- FIG. 2 shows a single layer of a planar reinforcing element 2, on which a layer of a pipe 3 is laid and fixed.
- the pipeline 3 comprises four straight first pipe sections 3.1 and three U-shaped second pipe sections 3.2, wherein the first pipe sections 3.1 extend at right angles to the air-side edge of the reinforcing element 2, so that the first pipe sections 3.1 serve as a reinforcement and support the reinforcing element 2 in the direction which is perpendicular to the airside edge.
- a first end of the meandering laid pipe 3 is connected to the vertical flow line 4, the second end the meandering laid pipe 3 is connected to a vertical return line 5 of a geothermal plant.
Description
Die Erfindung betrifft ein Böschungsbauwerk oder Erdkörper gemäß dem Oberbegriff von Anspruch 1. Die Erfindung betrifft zudem eine Verwendung einer geschlossenen Rohrleitung gemäß Anspruch 11.The invention relates to a slope structure or earth body according to the preamble of claim 1. The invention also relates to a use of a closed pipe according to claim 11.
Im Stand der Technik sind Bewehrungsanordnungen für Erdbauwerke bekannt, wie beispielsweise für Böschungsbauwerke, Straßen oder Erdfallanwendungen, wobei Geokunststoffe als Bewehrungselement im jeweiligen Erdbauwerk meist horizontal verlegt und dadurch verankert werden, so dass Zugkräfte in diese Geokunststoffe als Bewehrungselemente einleitbar sind.In the prior art reinforcement arrangements for earthworks are known, such as for embankment structures, roads or earth fall applications, geosynthetics are usually laid horizontally as a reinforcing element in the respective earthworks and thus anchored, so that tensile forces can be introduced into these geosynthetics as reinforcing elements.
Im Stand der Technik sind zudem gattungsgemäße Böschungsbauwerke bekannt, die eine oder mehrere im Wesentlichen horizontal übereinander angeordnete Erdstofflagen und dazwischen angeordnete Bewehrungselemente umfassen, welche als Geokunststoff ausgebildet sind.In the prior art also known embankment structures are known, which comprise one or more substantially horizontally stacked Erdstofflagen and interposed reinforcing elements, which are formed as geosynthetic.
Aus
Sie offenbart ferner einen Endkörper nach dem Oberbegriff von Anspruch 1.It further discloses an end body according to the preamble of claim 1.
Aus
Aus der deutschen Offenlegungsschrift
Im Stand der Technik sind daher Verbundkonstruktionen bekannt, bei denen ein flächiger Träger als Bewehrungselement ausbildet ist und bei denen eine Rohrleitung als flexibles Element oder als Schlauch ausgebildet ist.In the prior art composite structures are therefore known in which a flat carrier is formed as a reinforcing element and in which a pipe is designed as a flexible element or as a hose.
Der Erfindung liegt die Aufgabe zugrunde, ein verbessertes Böschungsbauwerk sowie eine vorteilhafte Verwendung einer geschlossenen Rohrleitung anzugeben.The invention has for its object to provide an improved embankment structure and an advantageous use of a closed pipe.
Die Aufgabe wird erfindungsgemäß hinsichtlich des Böschungsbauwerks durch die in Anspruch 1 angegebene Merkmalskombination gelöst.The object is achieved with respect to the embankment structure by the feature combination specified in claim 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
Eine Bewehrungsanordnung für ein erfindungsgemäßes Böschungsbauwerk wird beispielsweise in Böschungsbauwerken angewendet. Erfindungsgemäß ist dabei eine geschlossene Rohrleitung auf einem Bewehrungselement aus Geokunststoff verlegt und/oder mit diesem verbunden. Eine geschlossene Rohrleitung ist dabei eine solche Rohrleitung, die zumindest zwischen Kopplungselementen am Anfang und am Ende der Rohrleitung fluiddicht ist. Die Rohrleitung ist dabei derart zugfest, dass sie nicht nur als Teil einer Geothermieanlage, sondern auch als Bewehrung verwendbar ist.A reinforcement arrangement for an embankment structure according to the invention is used, for example, in embankment structures. According to the invention, a closed pipeline is laid on a reinforcing element of geosynthetic material and / or connected thereto. A closed pipeline is in this case a pipeline which is fluid-tight at least between coupling elements at the beginning and at the end of the pipeline. The pipeline is so tensile that it can be used not only as part of a geothermal plant, but also as a reinforcement.
Ein Böschungsbauwerk umfasst mehrere im Wesentlichen horizontal übereinander angeordnete Erdstofflagen, wobei zwischen diesen Erdstofflagen Bewehrungselemente angeordnet sind, die der Verbesserung der Standfestigkeit und der Dauerhaftigkeit des Böschungsbauwerks dienen. Als Erdstofflagen werden Lagen von Erdstoff oder Baustoff bezeichnet, der lagenweise einbringbar und bevorzugt verdichtungsfähig ist. Dabei können die Bewehrungselemente jeweils zwischen allen jeweils benachbarten oder zumindest zwischen einigen der benachbarten Erdstofflagen angeordnet sein.A slope structure comprises a plurality of substantially horizontally stacked layers of soil, with between these layers Erdstofflagen reinforcing elements are arranged, which serve to improve the stability and durability of the embankment structure. As Erdstofflagen layers of soil or building material are referred to, which can be introduced in layers and preferably compacted. In this case, the reinforcing elements can each be arranged between all respectively adjacent or at least between some of the adjacent Erdstofflagen.
Erfindungsgemäß ist im Bereich von einigen oder allen Bewehrungselementen jeweils eine geschlossene, also von einem Fluid durchströmbare Rohrleitung angeordnet. Unter Rohrleitungen sollen im Folgenden insbesondere im Wesentlichen horizontal angeordnete Elemente einer Geothermieanlage verstanden werden. Bevorzugt sind die Rohrleitungen zwischen einigen der benachbarten Erdstofflagen oder jeweils in einer Erdstofflage verlegt. Erfindungsgemäß sind die Rohrleitungen nicht nur als Element einer Geothermieanlage verwendbar, sondern auch zugfest ausgebildet.According to the invention, in the region of some or all of the reinforcing elements, there is in each case a closed pipeline, that is, a fluid which can be flowed through by a fluid arranged. In the following, pipelines are to be understood as meaning, in particular, substantially horizontally arranged elements of a geothermal plant. The pipelines are preferably laid between some of the adjacent layers of soil or in each case in a layer of soil. According to the invention, the pipelines are not only usable as an element of a geothermal plant, but also designed tensile strength.
Damit übernehmen die Rohrleitungen erfindungsgemäß zwei Funktionen, nämlich einerseits die Funktion eines Wärmetauschers in einer Geothermieanlage und andererseits die Funktion einer Bewehrung.Thus, the pipes assume two functions according to the invention, namely on the one hand the function of a heat exchanger in a geothermal plant and on the other hand, the function of a reinforcement.
Letztgenannte Funktion dient der Verbesserung der Statik, so dass die Standfestigkeit und die Dauerhaftigkeit des Böschungsbauwerks verbessert sind.The latter function serves to improve the statics, so that the stability and durability of the embankment structure are improved.
Die Rohrleitung dient zur erstgenannten Funktion zur Führung eines Fluids, welches als Wärmeträgermedium dient und zur Ausnutzung von Temperaturunterschieden zwischen dem Inneren des Böschungsbauwerkes und dem Bereich außerhalb desselben entweder dem Böschungsbauwerk Wärme entzieht, die anderweitig genutzt wird oder in das Böschungsbauwerk Wärme einleitet, um das Fluid zu kühlen, so dass dasselbe selbst als Kühlmedium beispielsweise für ein Gebäude oder eine technische Anlage nutzbar ist.The pipeline serves the former function to guide a fluid which serves as a heat transfer medium and for the utilization of temperature differences between the interior of the embankment structure and the area outside of either the embankment heat extraction, which is otherwise used or initiates heat in the embankment structure to the fluid to cool, so that the same itself is useful as a cooling medium for example for a building or a technical facility.
Die Rohrleitung ist erfindungsgemäß derart zugfest, dass sie als horizontale Bewehrung verwendbar ist. Die Rohrleitung ist beispielsweise dann ausreichend zugfest, wenn sie aus Kunststoff, insbesondere aus Geokunststoff, gebildet ist. Verbindungsstellen einzelner Rohrleitungsabschnitte sind gemäß einer ersten Alternative so zugfest ausgebildet, dass jede Verbindungsstelle wenigstens die gleiche Zugfestigkeit aufweist wie ein Rohrleitungsabschnitt selbst. Gemäß einer zweiten Alternative werden Verbindungsstellen von Rohrleitungsabschnitten an solchen Stellen angeordnet, an denen einer statischen Berechung zufolge nennenswerte Zugkräfte nicht auftreten.The pipeline according to the invention is tensile strength such that it can be used as a horizontal reinforcement. The pipeline is sufficiently resistant to tensile stress, for example, if it is made of plastic, in particular of geosynthetics. According to a first alternative, connecting points of individual pipe sections are designed so that they are resistant to tensile stress, such that each joint has at least the same tensile strength as a pipe section itself. According to a second alternative, joints of pipe sections are arranged at locations where, according to a static calculation, appreciable tensile forces do not occur.
Erstaunlicherweise hat sich gezeigt, dass die Temperaturunterschiede zwischen dem Inneren des Böschungsbauwerkes und dem Bereich außerhalb desselben insbesondere bei größeren Böschungsbauwerken beträchtlich sind, so dass mit einer herkömmlichen Geothermieanlage mit ausschließlich im Wesentlichen vertikalen Leitungen vergleichbare Wirkungsgrade erzielbar sind. Gegenüber diesen herkömmlichen Geothermieanlagen ist bei Errichtung des erfindungsgemäßen Böschungsbauwerkes die Errichtung einer Geothermieanlage, welche Bestandteil des Böschungsbauwerkes ist, wesentlich erleichtert, da die Rohrleitungen hier in einfacher Weise horizontal verlegbar sind.Surprisingly, it has been found that the temperature differences between the interior of the embankment structure and the area outside thereof are considerable, in particular in the case of larger embankment structures, so that comparable efficiencies can be achieved with a conventional geothermal installation with exclusively substantially vertical lines. Compared with these conventional geothermal plants, the construction of a geothermal plant, which is a component of the embankment structure, substantially facilitated in the construction of the embankment structure according to the invention, since the pipes are here laid horizontally in a simple manner.
Das erfindungsgemäße Böschungsbauwerk sieht vor, dass eine Rohrleitung derart mäanderförmig innerhalb einer Erdstofflage, insbesondere auch unmittelbar in deren unterem Bereich auf einem korrespondierenden Bewehrungselement angeordnet ist, dass eine Anzahl von ersten, im Wesentlichen geraden ersten horizontalen Rohrleitungsabschnitten im Wesentlichen rechtwinklig zum luftseitigen Rand dieser Erdstofflage verlaufen, wobei jeweils zwei benachbarte erste Rohrleitungsabschnitte jeweils geraden Verlaufes jeweils mittels eines u-förmigen zweiten Rohrleitungsabschnitts verbunden sind. Unter einem im Wesentlichen rechtwinkligen Verlauf sollen weniger als 20° Abweichung verstanden werden. Durch diese Anordnung der ersten Rohrleitungsabschnitte, im Wesentlichen in Richtung einer Hauptspannungsrichtung der flächigen Bewehrungselemente in Kombination mit ihrer zugfesten Ausbildung, sind von den ersten Rohrleitungsabschnitten hohe Zugkräfte aufnehmbar, wodurch besonders wirkungsvoll Standfestigkeit und die Dauerhaftigkeit und damit die Statik des Böschungsbauwerks verbessert sind.The embankment structure according to the invention provides that a pipeline is so meandering within a Erdstofflage, especially also disposed directly in the lower region on a corresponding reinforcement element, that a number of first, substantially straight first horizontal pipe sections substantially perpendicular to the air side edge of this layer of soil , Wherein each two adjacent first pipe sections are each connected straight course in each case by means of a U-shaped second pipe section. Under a substantially rectangular course should be understood less than 20 ° deviation. By this arrangement of the first pipe sections, substantially in the direction of a main stress direction of the planar reinforcing elements in combination with their tensile strength training, high tensile forces can be absorbed by the first pipe sections, whereby particularly effective stability and durability and thus the statics of the embankment structure are improved.
Das Bewehrungselement ist bevorzugt ein Geokunststoff, insbesondere ein polymerer Geokunststoff Besonders bevorzugt ist es als Gewebe und/oder als Gitter und/oder als Vlies ausgebildet und dadurch in verschiedenen Erdbauwerken flächig verlegbar, so dass in an sich bekannter Weise Zugkräfte verankert werden können. Es ist besonders günstig, die Rohrleitung in Zugkraftrichtung anzuordnen und/oder mit dem flächigen Geokunststoff zu verbinden, da dann die Rohrleitung besonders effektiv als Bewehrung wirkt, so dass der flächige Geokunststoff als Bewehrungselement in seiner Hauptbeanspruchungsrichtung geringer dimensioniert werden kann als im Stand der Technik.The reinforcing element is preferably a geosynthetic material, in particular a polymeric geosynthetic material. It is particularly preferably designed as a woven fabric and / or as a grid and / or as a nonwoven and thereby can be laid in different burial structures, so that tensile forces can be anchored in a manner known per se. It is particularly advantageous to arrange the pipeline in the direction of tensile force and / or to connect with the sheet-like geosynthetic, since then the pipeline Particularly effective as a reinforcement acts, so that the sheet-like geosynthetic material can be smaller dimensioned as a reinforcing element in its main direction of stress than in the prior art.
Eine Ausgestaltung der im erfindungsgemäßen Erdkörper benützten Bewehrungsanordnung sieht vor, dass die Rohrleitung aus Kunststoff gebildet ist. Es ist möglich, dass die Rohrleitung aus dem gleichen Kunststoff wie das Bewehrungselement besteht, so dass Rohrleitung und Bewehrungselement unter Einwirkung der zu verankernden Zugkraft gleiche Verformungseigenschaften aufweisen. Dadurch eignet sich diese Bewehrungsanordnung besonders zur Errichtung von Erdbauwerken, die eine besonders belastbare Bewehrung erfordern. Durch die Erfindung werden die Standfestigkeit und die Dauerhaftigkeit des Böschungsbauwerks verbessert.One embodiment of the reinforcing arrangement used in the earth body according to the invention provides that the pipeline is formed from plastic. It is possible that the pipeline consists of the same plastic as the reinforcing element, so that the pipeline and reinforcing element have the same deformation properties under the effect of the tensile force to be anchored. As a result, this reinforcement arrangement is particularly suitable for the construction of earthworks, which require a particularly strong reinforcement. The invention improves the stability and durability of the embankment structure.
Eine Ausgestaltung der Erfindung sieht vor, dass die Rohrleitung ein Kopplungselement aufweist, mit dem sie mit einer Vorlaufleitung oder einer Rücklaufleitung einer Geothermieanlage verbindbar ist. Ebenso ist die Rohrleitung mittels des Kopplungselementes mit einer weiteren Rohrleitung oder einem weiteren Kopplungselement dieser weiteren Rohrleitung verbindbar, so dass auf einfache Weise gleichzeitig sowohl eine Geothermieanlage errichtet als auch ein Erdbauwerk bewehrt werden kann.An embodiment of the invention provides that the pipeline has a coupling element with which it can be connected to a feed line or a return line of a geothermal system. Likewise, the pipe is connected by means of the coupling element with another pipe or another coupling element of this further pipeline, so that in a simple way both a geothermal plant built as well as an earthworks can be reinforced.
Eine weitere Ausgestaltung des erfindungsgemäßen Böschungsbauwerks sieht vor, dass innerhalb einer Erdstofflage angeordnete erste und zweite Rohrleitungsabschnitte insbesondere innerhalb einer Lage, besonders bevorzugt auch über mehrere Lagen hinweg einstückig ausgebildet sind. Einstückig heißt insbesondere, dass die Rohrleitungsabschnitte keine Koppel- oder sonstige Verbindungsstellen aufweisen, und zwar weder zwischen einem ersten Rohrleitungsabschnitt und einem zweiten Rohrleitungsabschnitt noch innerhalb des ersten oder zweiten Rohrleitungsabschnittes. Koppelstellen sind bevorzugt also allenfalls am erdseitigen Ende oder Rand des Bewehrungselementes angeordnet. Dadurch sind insbesondere die Bereiche derjenigen Rohrleitungsabschnitte koppelstellenfrei, in denen besonders hohe Zugkräfte zu erwarten sind. Für den Fall, dass erste und zweite Rohrleitungsabschnitte über mehrere Lagen hinweg einstückig ausgebildet sind, sind Rohrleitungsabschnitte übereinander liegender Lagen gemeinsam mit deren vertikalen Verbindungsabschnitten einstückig ausgebildet.A further embodiment of the embankment structure according to the invention provides that first and second pipe sections arranged within a layer of soil are formed in one piece, in particular within one layer, particularly preferably over several layers. Integral means, in particular, that the pipe sections have no coupling or other connection points, neither between a first pipe section and a second pipe section nor within the first or second pipe section. Coupling points are therefore preferably arranged at the earth-side end or edge of the reinforcing element. As a result, in particular, the areas of those Pipe sections coupling-free, in which particularly high tensile forces are expected. In the event that first and second pipe sections are integrally formed over several layers, pipe sections of superimposed layers are formed integrally with their vertical connecting portions.
Erfindungsgemäß ist eine Rohrleitung auf einem Bewehrungselement verlegt und besonders bevorzugt mit diesem verbunden. Vor allem wenn ein maschenförmiges Bewehrungselement wie Geokunststoff als Gewebe oder Gitter verwendet wird, können erste Rohrleitungsabschnitte besonders einfach am jeweiligen Gitter ausgerichtet und gerade verlegt werden. Ein Bewehrungselement und eine Rohrleitung wirken statisch besonders gut gemeinsam, wenn sie verbunden sind.According to the invention a pipe is laid on a reinforcement element and particularly preferably connected thereto. Especially when a mesh-like reinforcing element such as geosynthetics is used as a fabric or mesh, first pipe sections can be particularly easily aligned with the respective grid and laid straight. A reinforcing element and a pipe are structurally particularly good in common when they are connected.
Zur Errichtung eines erfindungsgemäßen Böschungsbauwerks ist insbesondere polymerer Geokunststoff geeignet, welcher verrottungsfest und daher besonders dauerhaft ist. Derartige Bewehrungselemente als Gewebe und/oder als Gitter und/oder als Vlies werden in an sich bekannter Weise verlegt, wobei in einer Lage jeweils mehrere verschiedene oder in verschiedenen Lagen jeweils verschiedene Bewehrungselemente verlegt werden können.For the construction of an embankment structure according to the invention, in particular polymeric geosynthetic material is suitable, which is rot-proof and therefore particularly durable. Such reinforcing elements as a fabric and / or as a grid and / or as a nonwoven are laid in a conventional manner, wherein in each case a plurality of different or different layers in each case different reinforcing elements can be laid.
Erfindungsgemäß besteht eine Rohrleitung aus Kunststoff, wodurch diese besonders einfach verlegbar und mit den weiteren Elementen der Geothermieanlage verbindbar ist.According to the invention a pipe made of plastic, whereby this is particularly easy to install and connectable to the other elements of the geothermal plant.
Dadurch, dass die Rohrleitung in bevorzugter Weise wenigstens eine im Wesentlichen vertikale Vorlaufleitung und wenigstens eine im Wesentlichen vertikale Rücklaufleitung aufweist, ist eine Geothermieanlage in einfacher Weise herstellbar. Gemäß einer ersten Alternative sind die Rohrleitungen aller Lagen in Reihe miteinander verbunden. Gemäß einer zweiten Alternative werden die Rohrleitungen jeweils einer Lage unabhängig voneinander von dem Fluid durchströmt, so dass die Rohrleitung jeweils einer Lage ein separat betreibbares Element der Geothermieanlage darstellt. Gemäß einer dritten Alternative sind die Rohrleitungen aller Lagen strömungstechnisch parallel ausgestaltet. Es ist möglich, mehrere dieser alternativen Ausgestaltungen in einem Böschungsbauwerk anzuwenden.Due to the fact that the pipeline preferably has at least one substantially vertical supply line and at least one substantially vertical return line, a geothermal plant can be produced in a simple manner. According to a first alternative, the pipelines of all layers are connected in series. According to a second alternative, the pipelines of a respective layer are flowed through independently of one another by the fluid, so that the pipeline in each case represents one layer a separately operable element of the geothermal plant. According to a third alternative, the Pipelines all layers designed fluidically parallel. It is possible to use several of these alternative embodiments in a slope structure.
Es ist möglich, die Bewehrungsanordnung statt in einem Böschungsbauwerk in einem Erdkörper anzuordnen, wobei der Erdkörper mehrere im Wesentlichen horizontal übereinander angeordnete Erdstofflagen umfasst, wobei zwischen den Erdstofflagen Bewehrungselemente angeordnet sind. Derartige bewehrte Erdkörper können Dämme, insbesondere solche auf wenig tragfähigem Untergrund, Verkehrswege, bewehrte Gründungskörper, Stützkonstruktionen, Deponiebauten, bewehrte Erdkörper auf punkt- oder linienförmigen Traggliedern, mit Geokunststoff ummantelte Säulen oder Überbrückungen von Erdeinbrüchen sein.It is possible to arrange the reinforcement arrangement instead of in a slope structure in an earth body, wherein the earth body comprises a plurality of substantially horizontally stacked layers of soil, wherein between the Erdstofflagen reinforcing elements are arranged. Such reinforced earth can be dams, especially those on less viable ground, roads, reinforced foundation bodies, support structures, landfill buildings, reinforced earth on point or linear support members, coated with geosynthetics columns or bridging of earthbursts.
In derartigen Erdkörpern wird bevorzugt eine geschlossene Rohrleitung gleichzeitig sowohl als Element einer Geothermieanlage als auch als horizontale Bewehrung verwendet.In such earth bodies a closed pipe is preferably used both as an element of a geothermal plant and as a horizontal reinforcement.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert.Embodiments of the invention are explained in more detail below with reference to drawings.
Darin zeigen:
- Figur 1
- eine schematische Schnittdarstellung eines erfindungsgemäßen Böschungsbauwerkes und
Figur 2- eine schematische perspektivische Darstellung einer einzelnen Lage eines flächigen Bewehrungselementes mit einer Rohrleitung, das im erfindungsgemäßen Erdkörper oder Böschungsbauwerk benützbar ist.
- FIG. 1
- a schematic sectional view of a slope structure according to the invention and
- FIG. 2
- a schematic perspective view of a single layer of a planar reinforcement element with a pipe that is used in the earth or embankment structure according to the invention.
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided in all figures with the same reference numerals.
Die Rohrleitungen 3 bestehen aus Kunststoff und sind derart zugfest, dass sie als horizontale Bewehrung wirksam sind. Von einer Luftseite 6 des Böschungsbauwerks, an der die Bewehrungselemente 2 in üblicher Weise verankert sind, sind die Rohrleitungen 3 beabstandet angeordnet, wobei sie in diesem Bereich schlaufenartig wie in
Es ist möglich, die in den Figuren dargestellte Bewehrungsanordnung für ein anderes Erdbauwerk als das dargestellte Böschungsbauwerk zu verwenden.It is possible to use the reinforcing arrangement shown in the figures for another earthworks as the embankment structure shown.
- 11
- ErdstofflageErdstofflage
- 22
- Bewehrungselementreinforcing element
- 33
-
Rohrleitung
3.1 erster Rohrleitungsabschnitt
3.2 zweiter Rohrleitungsabschnittpipeline
3.1 first pipe section
3.2 second pipe section - 44
- Vorlaufleitungsupply line
- 55
- RücklaufleitungReturn line
- 66
- Luftseiteairside
- 77
- Geothermiesondegeothermal probe
Claims (10)
- Embankment structure or earth body, wherein a closed pipeline (3) is laid on a reinforcing element (2) of geosynthetic material, in particular of polymeric geosynthetic material, and/or is connected thereto, wherein the pipeline (3) is of such tensile strength that it is usable as a horizontal reinforcement, characterized in that the structure or the earth body comprises a plurality of earth material layers (1) arranged substantially horizontally above one another and reinforcing elements (2) arranged between earth material layers (1), wherein, in the region of the reinforcing elements (2), in each case a closed pipeline (3) is arranged which is usable as an element of a geothermal system, wherein the pipeline (3) is arranged in a meandering shape within an earth material layer (1) such that a number of first, substantially straight horizontal pipeline sections (3.1) extends substantially at right angles to the air-side edge of this earth material layer (1).
- Embankment structure or earth body according to Claim 1, characterized in that in each case two adjacent first pipeline sections (3.1) are connected by means of a u-shaped second pipeline section (3.2).
- Embankment structure or earth body according to Claim 1, characterized in that first and second pipeline sections (3.1, 3.2) arranged within an earth material layer (1) are formed in one piece.
- Embankment structure or earth body according to one of the preceding claims, characterized in that reinforcing elements (2) are formed as geosynthetic materials, in particular as polymeric geosynthetic materials.
- Embankment structure or earth body according to Claim 5, characterized in that reinforcing elements (2) are formed as wovens and/or as meshes and/or as non-wovens.
- Embankment structure or earth body according to one of the preceding claims, characterized in that the pipeline (3) is made of plastic.
- Embankment structure or earth body according to one of the preceding claims, characterized in that a number of substantially vertical supply lines (4) and a number of substantially vertical return lines (5) are provided which are in each case connected to the horizontal pipelines (3).
- Embankment structure or earth body according to one of the preceding claims, characterized in that the pipeline (3) is formed of plastic, and in that the reinforcing element (2) is formed as a woven and/or as a mesh and/or as a non-woven.
- Embankment structure or earth body according to one of the preceding claims, characterized in that the pipeline (3) has a coupling element by which it is connectable to a supply line (4) or a return line (5) of a geothermal system or to a further pipeline (3) or a further coupling element of the further pipeline (3).
- Use of a closed pipeline (3) in an embankment structure or earth body according to one of the preceding claims, at the same time both as an element of a geothermal system and as a horizontal reinforcement.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011006190.8A DE102011006190B4 (en) | 2011-03-28 | 2011-03-28 | Slope structure and use of a closed pipeline in a slope structure or earth body |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2505720A2 EP2505720A2 (en) | 2012-10-03 |
| EP2505720A3 EP2505720A3 (en) | 2013-04-17 |
| EP2505720B1 true EP2505720B1 (en) | 2015-04-29 |
Family
ID=45932148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20120160478 Not-in-force EP2505720B1 (en) | 2011-03-28 | 2012-03-21 | Embankment structure and use of a closed pipeline in an embankment structure or earth body |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2505720B1 (en) |
| DE (1) | DE102011006190B4 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012013484B4 (en) * | 2012-07-09 | 2014-07-03 | Wq-Tec Ag | Earth collector and method of constructing an earth collector |
| FR3031169B1 (en) | 2014-12-29 | 2019-10-04 | Franck Provost | MULTI-SOURCE AIR CONDITIONING DEVICE GEOTHERMIA ON DIFFUSIVE WALL |
| DE102021133157A1 (en) * | 2021-12-15 | 2023-06-15 | Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts | Reinforcement and method of its operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2626650A1 (en) | 1976-06-15 | 1977-12-29 | Herbert Dr Ing Kielbassa | Fabric reinforced stacked earthworks - uses soil layers alternating with plastics fabric layers providing lateral reinforcement |
| EP1655566A2 (en) | 2004-11-05 | 2006-05-10 | Polyfelt Gesellschaft m.b.H. | Flexible multilayer composite material |
| EP2206836A1 (en) | 2008-12-23 | 2010-07-14 | Andreas Herold | Sloping structure |
| EP2241850A1 (en) | 2006-12-22 | 2010-10-20 | Techconcept GbR | Soil collector module of a heat pump, use and method for construction |
| WO2012110130A1 (en) | 2011-02-17 | 2012-08-23 | Soletanche Freyssinet | Structural element for transitory storage and deferred use of thermal energy, related structure and methods |
-
2011
- 2011-03-28 DE DE102011006190.8A patent/DE102011006190B4/en active Active
-
2012
- 2012-03-21 EP EP20120160478 patent/EP2505720B1/en not_active Not-in-force
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2626650A1 (en) | 1976-06-15 | 1977-12-29 | Herbert Dr Ing Kielbassa | Fabric reinforced stacked earthworks - uses soil layers alternating with plastics fabric layers providing lateral reinforcement |
| EP1655566A2 (en) | 2004-11-05 | 2006-05-10 | Polyfelt Gesellschaft m.b.H. | Flexible multilayer composite material |
| EP2241850A1 (en) | 2006-12-22 | 2010-10-20 | Techconcept GbR | Soil collector module of a heat pump, use and method for construction |
| EP2206836A1 (en) | 2008-12-23 | 2010-07-14 | Andreas Herold | Sloping structure |
| WO2012110130A1 (en) | 2011-02-17 | 2012-08-23 | Soletanche Freyssinet | Structural element for transitory storage and deferred use of thermal energy, related structure and methods |
Non-Patent Citations (2)
| Title |
|---|
| "Execution of special geotechnical works - Reinforced fill", NORME EN 14475, January 2006 (2006-01-01), pages 1 - 56, XP055274309 |
| "Geosynthetics - Terms and definitions", NORME EN ISO 10318:2005, July 2005 (2005-07-01), XP055274312 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011006190A1 (en) | 2012-10-04 |
| EP2505720A3 (en) | 2013-04-17 |
| DE102011006190B4 (en) | 2015-09-17 |
| EP2505720A2 (en) | 2012-10-03 |
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